The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 19, 1985
Filed:
Sep. 07, 1984
Applicant:
Inventor:
Robert H Hesse, Cambridge, MA (US);
Assignee:
Research Institute For Medicine and Chemistry Inc., Cambridge, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07J / ;
U.S. Cl.
CPC ...
2603972 ;
Abstract
1-unsubstituted 5,6-trans vitamin D compounds are 1.alpha.-hydroxylated by Se.sup.IV oxidation in the presence of selenous acid at a pH in the range 3-9. The oxidation is preferably effected using a 1-unsubstituted-3-trihydrocarbylsilyloxy-5,6-trans vitamin D compound in the presence of a co-oxidant.